QUETTA: Suspected tribal militants fired rockets at security forces and damaged a Hurnai Section bridge and main transformer near Mandbloo. Reportedly, seven rockets were fired on security forces' check posts in Sibi and four in Tandoori. Most rockets landed in open areas but one rocket partially damaged the Hurnai Section bridge halting traffic.Also, unidentified militants used an explosive device to damage a transformer in Mandbloo. Water And Power Development Authority officials were trying to restart the flow of electricity. Suspected tribesmen attacked a Levies headquarter in Chaman city on Sunday morning. The event occurred when a "miscreant" was handed over to the paramilitary force for attacking a shopkeeper. Later, the "miscreant's" tribe attacked the Levies Headquarter in order to free him but they were repelled.